Statewide Rankings

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Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Average Temperature Rankings, May 1987

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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
May 1987 1-Month	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	82nd Coolest	Coolest since: 1986	1917
	53.0°F (11.7°C)	51.8°F (11.0°C)	1.2°F (0.7°C)	47th Warmest	Warmest since: 1985	1934
	Ties: 1911, 1928, 1964
Apr–May 1987 2-Month	49.1°F (9.5°C)	47.2°F (8.4°C)	1.9°F (1.1°C)	102nd Coolest	Coolest since: 1986	1917
Apr–May 1987 2-Month	49.1°F (9.5°C)	47.2°F (8.4°C)	1.9°F (1.1°C)	27th Warmest	Warmest since: 1985	1934
Mar–May 1987 3-Month	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	82nd Coolest	Coolest since: 1984	1917
	43.5°F (6.4°C)	42.6°F (5.9°C)	0.9°F (0.5°C)	47th Warmest	Warmest since: 1986	2012
	Ties: 1916, 1949
Feb–May 1987 4-Month	40.2°F (4.6°C)	38.8°F (3.8°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 1985	1917
Feb–May 1987 4-Month	40.2°F (4.6°C)	38.8°F (3.8°C)	1.4°F (0.8°C)	37th Warmest	Warmest since: 1986	1934
Jan–May 1987 5-Month	37.2°F (2.9°C)	35.9°F (2.2°C)	1.3°F (0.7°C)	96th Coolest	Coolest since: 1985	1917
	37.2°F (2.9°C)	35.9°F (2.2°C)	1.3°F (0.7°C)	33rd Warmest	Warmest since: 1986	1934
	Ties: 1925, 2014
Dec 1986–May 1987 6-Month	35.4°F (1.9°C)	34.1°F (1.2°C)	1.3°F (0.7°C)	100th Coolest	Coolest since: 1985	1917
	35.4°F (1.9°C)	34.1°F (1.2°C)	1.3°F (0.7°C)	28th Warmest	Warmest since: 1986	1934
	Ties: 1904, 1940, 1967, 1989
Nov 1986–May 1987 7-Month	35.2°F (1.8°C)	34.0°F (1.1°C)	1.2°F (0.7°C)	96th Coolest	Coolest since: 1985	1917
	35.2°F (1.8°C)	34.0°F (1.1°C)	1.2°F (0.7°C)	32nd Warmest	Warmest since: 1986	1934
	Ties: 1902, 1904, 1935, 1989, 1990, 1995
Oct 1986–May 1987 8-Month	36.4°F (2.4°C)	35.6°F (2.0°C)	0.8°F (0.4°C)	85th Coolest	Coolest since: 1985	1917
	36.4°F (2.4°C)	35.6°F (2.0°C)	0.8°F (0.4°C)	43rd Warmest	Warmest since: 1986	1934
	Ties: 1927, 1966, 1994
Sep 1986–May 1987 9-Month	38.5°F (3.6°C)	38.0°F (3.3°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1985	1917
	38.5°F (3.6°C)	38.0°F (3.3°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1986	1934
	Ties: 1945, 1961, 1976, 1994, 2007
Aug 1986–May 1987 10-Month	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	75th Coolest	Coolest since: 1985	1917
	41.2°F (5.1°C)	40.7°F (4.8°C)	0.5°F (0.3°C)	53rd Warmest	Warmest since: 1986	1934
	Ties: 1900, 1945, 2007, 2008
Jul 1986–May 1987 11-Month	43.5°F (6.4°C)	43.1°F (6.2°C)	0.4°F (0.2°C)	74th Coolest	Coolest since: 1985	1917
	43.5°F (6.4°C)	43.1°F (6.2°C)	0.4°F (0.2°C)	54th Warmest	Warmest since: 1986	1934
	Ties: 1904, 1936, 1976, 1997
Jun 1986–May 1987 12-Month	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	78th Coolest	Coolest since: 1985	1917
	45.1°F (7.3°C)	44.6°F (7.0°C)	0.5°F (0.3°C)	50th Warmest	Warmest since: 1986	1934
	Ties: 1950, 1961
Dec 1985–May 1987 18-Month	42.5°F (5.8°C)	41.0°F (5.0°C)	1.5°F (0.8°C)	102nd Coolest	Coolest since: 1986	1913
	42.5°F (5.8°C)	41.0°F (5.0°C)	1.5°F (0.8°C)	25th Warmest	Warmest since: 1982	2018
	Ties: 1996
Jun 1985–May 1987 24-Month	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1986	1913
	45.5°F (7.5°C)	44.6°F (7.0°C)	0.9°F (0.5°C)	34th Warmest	Warmest since: 1982	2018
	Ties: 2008
Jun 1984–May 1987 36-Month	45.2°F (7.3°C)	44.6°F (7.0°C)	0.6°F (0.3°C)	86th Coolest	Coolest since: 1986	1914
	45.2°F (7.3°C)	44.6°F (7.0°C)	0.6°F (0.3°C)	40th Warmest	Warmest since: 1983	2018
	Ties: 1989
Jun 1983–May 1987 48-Month	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	71st Coolest	Coolest since: 1986	1915
	44.8°F (7.1°C)	44.5°F (6.9°C)	0.3°F (0.2°C)	54th Warmest	Warmest since: 1984	2018
	Ties: 1939, 1942, 1958, 1961, 1967
Jun 1982–May 1987 60-Month	44.7°F (7.1°C)	44.6°F (7.0°C)	0.1°F (0.1°C)	58th Coolest	Coolest since: 1980	1917
	44.7°F (7.1°C)	44.6°F (7.0°C)	0.1°F (0.1°C)	66th Warmest	Warmest since: 1986	2018
	Ties: 1945, 1960, 1961, 1963, 1978, 1988

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings